# K081693: NS Series Nif (Negative Inspiratory Force) Meters

- Pathway: 510(k) (Traditional)
- Applicant: Instrumentation Industries, Inc.
- Decided: Sep 11, 2008 after 86 days
- Product code: BXR (Meter, Airway Pressure (Inspiratory Force))
- Device class: 2
- Regulation: 21 CFR 868.1780
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
No later device cites it as a predicate yet.
0 of 1 device in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. The FDA summary names its predicate without a number.
- (no number) BE 149: named in the summary without a submission number
- (no number) Smiths Medical NIF Kit: named in the summary without a submission number

## Indications for use
The Instrumentation Industries, Inc. Negative Inspiratory Force (NIF) Meters are devices used to measure and monitor patient inspiratory effort. During use the NIF Meter is attached to the patient airway at a point that provides optimal readings of patient respiratory effort. Federal law restricts these devices to sale by or on the order of a physician.

Source page: https://510kreport.com/device/K081693
Methodology: https://510kreport.com/methodology